• BlackBerry Buyout Offer Raises Array of Questions – Who might be joining Fairfax Financial Holdings, already BlackBerry’s largest single investor? And could this be the end of the BlackBerry handset business, as the primary value is in technology and patents?

• F.D.A. to Regulate Some Health Apps – Most apps – particularly those that measure fitness – won’t be included. But others, such as apps that turn a phone into an electrocardiogram or an ultrasound machine – will.